Here it is published as a standardized Darwin Core Archive and includes for each sampling event an eventID, date, location, samplingEffort and sampling protocol (in the event core) and for each occurrence an occurrenceID, the number of recorded individuals, status (present/absent), life stage and scientific name (in the occurrence extension). Issues with the dataset can be reported at https://github.com/inbo/meetnetten-occurrences/issues The breeding birds project is a joint initiative of the Institute for Nature and Forest Research (INBO) and the Vlaamse Vogelwerkgroep of Natuurpunt, in collaboration with Natuurpunt Study. The data is collected to discover trends in long and short term breeding bird occurrences in Flanders and is used for the EU reporting on trends, distribution and future prospects of the species listed in the Annex 2 and 4 of the Habitats Directive. We have released this dataset to the public domain under a Creative Commons Zero waiver. We would appreciate it if you follow the INBO norms for data use (https://www.inbo.be/en/norms-data-use) when using the data. If you have any questions regarding this dataset, don't hesitate to contact us via the contact information provided in the metadata or via opendata@inbo.be. For all published Meetnetten.be datasets, see https://www.gbif.org/dataset/search?project_id=meetnetten.be For all published ABV (Common breeding birds) datasets see https://www.gbif.org/occurrence/search?collection_code=ABV&publishing_org=1cd669d0-80ea-11de-a9d0-f1765f95f18b